diff --git a/code/__DEFINES/flags.dm b/code/__DEFINES/flags.dm
index a54cef72f86..ea8ceb93c95 100644
--- a/code/__DEFINES/flags.dm
+++ b/code/__DEFINES/flags.dm
@@ -60,6 +60,11 @@
 #define HAS_SKIN_COLOR	32
 #define TAIL_WAGGING    64
 
+//Species Diet Flags
+#define DIET_CARN		1
+#define DIET_OMNI		2
+#define DIET_HERB		4
+
 
 //bitflags for door switches.
 #define OPEN	1
diff --git a/code/modules/mob/living/carbon/human/species/apollo.dm b/code/modules/mob/living/carbon/human/species/apollo.dm
index a1beed27be9..bddfa770a14 100644
--- a/code/modules/mob/living/carbon/human/species/apollo.dm
+++ b/code/modules/mob/living/carbon/human/species/apollo.dm
@@ -35,7 +35,7 @@
 		)
 
 	flags = IS_WHITELISTED | HAS_LIPS | HAS_UNDERWEAR | NO_BREATHE | HAS_SKIN_COLOR | NO_SCAN | NO_SCAN | HIVEMIND
-
+	dietflags = DIET_HERB		//bees feed off nectar, so bee people feed off plants too
 
 	base_color = "#704300"
 	flesh_color = "#704300"
@@ -88,6 +88,7 @@
 	burn_mod = 4 // holy shite, poor guys wont survive half a second cooking smores
 	brute_mod = 2 // damn, double wham, double dam
 	flags = IS_WHITELISTED | NO_BREATHE | NO_BLOOD | NO_PAIN | HAS_LIPS | NO_SCAN
+	dietflags = DIET_OMNI		//still human at their core, so they maintain their eating habits and diet
 
 	has_organ = list(
 		"heart" =    /obj/item/organ/heart,
diff --git a/code/modules/mob/living/carbon/human/species/golem.dm b/code/modules/mob/living/carbon/human/species/golem.dm
index d32de91c2a6..1cc0f1a89dd 100644
--- a/code/modules/mob/living/carbon/human/species/golem.dm
+++ b/code/modules/mob/living/carbon/human/species/golem.dm
@@ -6,6 +6,7 @@
 
 	default_language = "Galactic Common"
 	flags = NO_BREATHE | NO_PAIN | NO_BLOOD | NO_SCAN
+	dietflags = DIET_OMNI		//golems can eat anything because they are magic or something
 
 	blood_color = "#515573"
 	flesh_color = "#137E8F"
diff --git a/code/modules/mob/living/carbon/human/species/plasmaman.dm b/code/modules/mob/living/carbon/human/species/plasmaman.dm
index aee4d5660f0..851b970e8fe 100644
--- a/code/modules/mob/living/carbon/human/species/plasmaman.dm
+++ b/code/modules/mob/living/carbon/human/species/plasmaman.dm
@@ -6,6 +6,7 @@
 	unarmed_type = /datum/unarmed_attack/punch
 
 	flags = IS_WHITELISTED | NO_BLOOD
+	dietflags = DIET_OMNI
 
 	//default_mutations=list(SKELETON) // This screws things up
 
diff --git a/code/modules/mob/living/carbon/human/species/shadow.dm b/code/modules/mob/living/carbon/human/species/shadow.dm
index 35335193c41..8b36b05b18e 100644
--- a/code/modules/mob/living/carbon/human/species/shadow.dm
+++ b/code/modules/mob/living/carbon/human/species/shadow.dm
@@ -18,6 +18,7 @@
 
 	flags = NO_BLOOD | NO_BREATHE | NO_SCAN
 	bodyflags = FEET_NOSLIP
+	dietflags = DIET_OMNI		//the mutation process allowed you to now digest all foods regardless of initial race
 
 /datum/species/shadow/handle_death(var/mob/living/carbon/human/H)
 	H.dust()
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/species.dm b/code/modules/mob/living/carbon/species.dm
index a230ad2f7e5..5712d788ce8 100644
--- a/code/modules/mob/living/carbon/species.dm
+++ b/code/modules/mob/living/carbon/species.dm
@@ -53,6 +53,7 @@
 	var/flags = 0       // Various specific features.
 	var/bloodflags=0
 	var/bodyflags=0
+	var/dietflags  = 0	// Make sure you set this, otherwise it won't be able to digest a lot of foods
 
 	var/list/abilities = list()	// For species-derived or admin-given powers
 
@@ -321,6 +322,7 @@
 	path = /mob/living/carbon/human/human
 	flags = HAS_LIPS | HAS_UNDERWEAR | CAN_BE_FAT
 	bodyflags = HAS_SKIN_TONE
+	dietflags = DIET_OMNI
 	unarmed_type = /datum/unarmed_attack/punch
 	blurb = "Humanity originated in the Sol system, and over the last five centuries has spread \
 	colonies across a wide swathe of space. They hold a wide range of forms and creeds.<br/><br/> \
@@ -348,6 +350,7 @@
 
 	flags = HAS_LIPS | HAS_UNDERWEAR
 	bodyflags = FEET_CLAWS | HAS_TAIL | HAS_SKIN_COLOR | TAIL_WAGGING
+	dietflags = DIET_CARN
 
 	cold_level_1 = 280 //Default 260 - Lower is better
 	cold_level_2 = 220 //Default 200
@@ -397,6 +400,7 @@
 
 	flags = HAS_LIPS | HAS_UNDERWEAR | CAN_BE_FAT
 	bodyflags = FEET_PADDED | HAS_TAIL | HAS_SKIN_COLOR | TAIL_WAGGING
+	dietflags = DIET_OMNI
 
 	flesh_color = "#AFA59E"
 	base_color = "#333333"
@@ -423,6 +427,7 @@
 
 	flags = HAS_LIPS | HAS_UNDERWEAR
 	bodyflags = HAS_SKIN_COLOR
+	dietflags = DIET_HERB
 
 	flesh_color = "#8CD7A3"
 	blood_color = "#1D2CBF"
@@ -461,6 +466,7 @@
 	poison_type = "oxygen"
 
 	flags = NO_SCAN | IS_WHITELISTED
+	dietflags = DIET_OMNI
 
 	blood_color = "#2299FC"
 	flesh_color = "#808D11"
@@ -514,6 +520,7 @@
 	poison_type = "oxygen"
 
 	flags = NO_SCAN | NO_BLOOD | HAS_TAIL | NO_PAIN | IS_WHITELISTED
+	dietflags = DIET_OMNI	//should inherit this from vox, this is here just in case
 
 	blood_color = "#2299FC"
 	flesh_color = "#808D11"
@@ -546,6 +553,7 @@
 
 	flags = IS_WHITELISTED
 	bodyflags = FEET_CLAWS
+	dietflags = DIET_OMNI
 
 	blood_color = "#FB9800"
 
@@ -563,6 +571,7 @@
 	flags = IS_WHITELISTED | NO_BREATHE | HAS_LIPS | NO_INTORGANS | NO_SCAN
 	bodyflags = HAS_SKIN_COLOR
 	bloodflags = BLOOD_SLIME
+	dietflags = DIET_CARN
 
 	//ventcrawler = 1 //ventcrawling commented out
 
@@ -587,6 +596,7 @@
 	primitive = /mob/living/carbon/monkey // TODO
 
 	flags = IS_WHITELISTED | HAS_LIPS | HAS_UNDERWEAR | CAN_BE_FAT
+	dietflags = DIET_HERB
 
 	blood_color = "#A200FF"
 
@@ -634,6 +644,7 @@
 	water and other radiation."
 
 	flags = NO_BREATHE | REQUIRE_LIGHT | IS_PLANT | RAD_ABSORB | NO_BLOOD | NO_PAIN
+	dietflags = DIET_HERB		//Diona regenerate nutrition in light, but could assimilate plantmatter if they ingest it
 
 	body_temperature = T0C + 15		//make the plant people have a bit lower body temperature, why not
 
@@ -719,6 +730,7 @@
 	synth_temp_gain = 10 //this should cause IPCs to stabilize at ~80 C in a 20 C environment.
 
 	flags = IS_WHITELISTED | NO_BREATHE | NO_SCAN | NO_BLOOD | NO_PAIN | IS_SYNTHETIC | NO_INTORGANS
+	dietflags = DIET_OMNI		//IPCs can't eat, this is here for the sake of standardized code
 	blood_color = "#1F181F"
 	flesh_color = "#AAAAAA"
 
diff --git a/code/modules/reagents/Chemistry-Reagents.dm b/code/modules/reagents/Chemistry-Reagents.dm
index fc2c8567525..90a89c43490 100644
--- a/code/modules/reagents/Chemistry-Reagents.dm
+++ b/code/modules/reagents/Chemistry-Reagents.dm
@@ -1485,10 +1485,31 @@ datum
 /////////////////////////Food Reagents////////////////////////////
 // Part of the food code. Nutriment is used instead of the old "heal_amt" code. Also is where all the food
 // 	condiments, additives, and such go.
-		nutriment
+		nutriment		// Pure nutriment, universally digestable and thus slightly less effective
 			name = "Nutriment"
 			id = "nutriment"
-			description = "All the vitamins, minerals, and carbohydrates the body needs in pure form."
+			description = "A questionable mixture of various pure nutrients commonly found in processed foods."
+			reagent_state = SOLID
+			nutriment_factor = 12 * REAGENTS_METABOLISM
+			color = "#664330" // rgb: 102, 67, 48
+
+			on_mob_life(var/mob/living/M as mob)
+				if(!M) M = holder.my_atom
+				if(!(M.mind in ticker.mode.vampires))
+					if(ishuman(M))
+						var/mob/living/carbon/human/H = M
+						if(H.species && H.species.dietflags)	//Make sure the species has it's dietflag set, otherwise it can't digest any nutrients
+							H.nutrition += nutriment_factor	// For hunger and fatness
+							if(prob(50)) M.heal_organ_damage(1,0)
+					if(istype(M,/mob/living/simple_animal))		//Any nutrients can heal simple animals
+						if(prob(50)) M.heal_organ_damage(1,0)
+				..()
+				return
+
+		protein			// Meat-based protein, digestable by carnivores and omnivores, worthless to herbivores
+			name = "Protein"
+			id = "protein"
+			description = "Various essential proteins and fats commonly found in animal flesh and blood."
 			reagent_state = SOLID
 			nutriment_factor = 15 * REAGENTS_METABOLISM
 			color = "#664330" // rgb: 102, 67, 48
@@ -1496,8 +1517,34 @@ datum
 			on_mob_life(var/mob/living/M as mob)
 				if(!M) M = holder.my_atom
 				if(!(M.mind in ticker.mode.vampires))
-					M.nutrition += nutriment_factor	// For hunger and fatness
-					if(prob(50)) M.heal_organ_damage(1,0)
+					if(ishuman(M))
+						var/mob/living/carbon/human/H = M
+						if(H.species && H.species.dietflags && !(H.species.dietflags & DIET_HERB))	//Make sure the species has it's dietflag set, otherwise it can't digest any nutrients
+							H.nutrition += nutriment_factor	// For hunger and fatness
+							if(prob(50)) M.heal_organ_damage(1,0)
+					if(istype(M,/mob/living/simple_animal))		//Any nutrients can heal simple animals
+						if(prob(50)) M.heal_organ_damage(1,0)
+				..()
+				return
+
+		plantmatter		// Plant-based biomatter, digestable by herbivores and omnivores, worthless to carnivores
+			name = "Plant-matter"
+			id = "plantmatter"
+			description = "Vitamin-rich fibers and natural sugars commonly found in fresh produce."
+			reagent_state = SOLID
+			nutriment_factor = 15 * REAGENTS_METABOLISM
+			color = "#664330" // rgb: 102, 67, 48
+
+			on_mob_life(var/mob/living/M as mob)
+				if(!M) M = holder.my_atom
+				if(!(M.mind in ticker.mode.vampires))
+					if(ishuman(M))
+						var/mob/living/carbon/human/H = M
+						if(H.species && H.species.dietflags && !(H.species.dietflags & DIET_CARN))	//Make sure the species has it's dietflag set, otherwise it can't digest any nutrients
+							H.nutrition += nutriment_factor	// For hunger and fatness
+							if(prob(50)) M.heal_organ_damage(1,0)
+					if(istype(M,/mob/living/simple_animal))		//Any nutrients can heal simple animals
+						if(prob(50)) M.heal_organ_damage(1,0)
 				..()
 				return